5/8-18 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1/4-20 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (750)

1 1/8-7 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (5)

5/8-11 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

Powers Wall-Dog™

5/16-24 x 7/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 3/8 Hex Lag Screws 18-8 Stainless Steel 5/8-18 x 4 L9 Hex5 16 24 x 7 8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on